Yamaha YZ450FT Owner's Service Manual page 46

Part to be tightened
Spark plug
Camshaft cap
Cylinder head blind plug screw
Cylinder head (stud bolt)
(bolt)
(nut)
Cylinder head cover
Cylinder
Timing chain tensioner
Tensioner cap bolt
Timing chain guide (rear)
Exhaust pipe (nut)
(bolt)
Silencer
Silencer clamp
Exhaust pipe protector
Clamp (cylinder head side)
Clamp (carburetor side)
Air filter case
Air filter joint clamp
Air filter joint and air filter case
Throttle cable (pull)
Throttle cable (return)
Throttle cable cover
Hot starter plunger
Air filter element
Radiator panel (upper)
Radiator
Radiator hose clamp
Radiator pipe 1, 2
Impeller
Water pump housing cover
Coolant drain bolt
Oil pump cover
Oil pump
Engine oil drain bolt (oil filter)
Oil filter cover
Oil delivery pipe 1
Oil delivery pipe 2
Oil hose
Oil check bolt
MAINTENANCE SPECIFICATIONS
Thread size
M10S × 1.0
M6 × 1.0
M12 × 1.0
M6 × 1.0
M8 × 1.25
M10 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M8 × 1.25
M8 × 1.25
M8 × 1.25
M8 × 1.25
M6 × 1.0
M5 × 0.8
M4 × 0.7
M6 × 1.0
M6 × 1.0
M5 × 0.8
M6 × 1.0
M12 × 1.0
M5 × 0.8
M12 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.0
M8 × 1.25
M6 × 1.0
M6 × 1.0
M4 × 0.7
M6 × 1.0
M6 × 1.0
M6 × 1.0
M10 × 1.25
M8 × 1.25
M6 × 1.0
M6 × 1.0
M6 × 1.0
2 - 11
SPEC
Tightening torque
Q'ty
Nm m·kg
1 13 1.3
10 10 1.0
1 28 2.8
2 7 0.7
1 15 1.5
4 Refer to NOTE.*
2 10 1.0
2 10 1.0
1 10 1.0
2 10 1.0
1 7 0.7
2 10 1.0
1 13 1.3
1 24 2.4
2 35 3.5
1 16 1.6
3 10 1.0
1 3 0.3
1 3 0.3
2 8 0.8
1 3 0.3
1 4 0.4
1 4 0.4
1 11 1.1
2 4 0.4
1 2 0.2
1 2 0.2
2 10 1.0
6 10 1.0
8 2 0.2
2 10 1.0
1 14 1.4
3 10 1.0
1 10 1.0
1 2 0.2
3 9 0.9
1 10 1.0
2 10 1.0
1 20 2.0
2 18 1.8
1 10 1.0
2 8 0.8
1 10 1.0
ft·lb
9.4
7.2
20
5.1
11
1
7.2
7.2
7.2
7.2
5.1
7.2
9.4
17
25
11
7.2
2.2
2.2
5.8
2.2
2.9
2.9
8.0
2.9
1.4
1.4
7.2
7.2
1.4
7.2
10
7.2
7.2
1.4
6.5
7.2
7.2
14
13
7.2
5.8
7.2